John W. Walker, MD
Emergency Medical Services (Emergency Medicine) Physician · Saint Joseph, MI
John W. Walker, MD is an emergency medical services (emergency medicine) physician with a practice address in Saint Joseph, Michigan, and NPI 1144274788, issued on May 19, 2006. Check the license (Michigan 038576, as entered in NPPES) on the Michigan Board of Medicine (LARA); the Medicare figures below come from public CMS files.
- Name
- John W. Walker
- Credential
- MD
- Primary taxonomy
- Emergency Medical Services (Emergency Medicine) Physician 207PE0004X
- License number
- 038576 MI
Self-reported in NPPES; status is on the state search - Practice location
- 1234 Napier Ave, Saint Joseph, MI 49085
- Phone
- (269) 983-8300
- Enumerated
- May 19, 2006
- Record last updated
- Jun 5, 2008 (not updated in 18 years: call before relying on the address or phone)
- Medicaid IDs
- 3167840 MI
3233820 MI
4541564 MI
4730721 MI - Entity
- Type 1 · individual
8 nearest emergency medical services (emergency medicine) physician records → All 361 in Michigan → Look up another NPI →
Also registered at 1234 Napier Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Scott Achramowicz, PAPhysician Assistant1295244630
- Joseph Aderemi, MDPsychiatry Physician1831726546
- Kristina Aleksoniene, MDInfectious Disease Physician1659545002
- Sydney Alexander, DOFamily Medicine Physician1144952698
- Robert Allen, MDCritical Care Medicine (Internal Medicine) Physician1073540647
Verify John W. Walker in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMichigan Board of Medicine (LARA)
Search for license 038576Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
94% fewer Medicare Part D claims than the average emergency medical services (emergency medicine) physician in 2024
17 Medicare Part D claims, against an average of 292 among the 1,653 providers of this specialty who prescribed in Part D.
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
John W. Walker among 361 emergency medical services (emergency medicine) physician records in Michigan
John W. Walker, MD is one of 361 emergency medical services (emergency medicine) physician records with a practice address in Michigan. 62% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 11% of them.
- NPI issued2006 · 11% of these records are older, 13% newer
- In a Medicare fileYes · 62% of these records are
- In the CMS Doctors and Clinicians fileNo · 41% of these records are
- Record last updated2008 · 72% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207PE0004X and a Michigan practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Emergency Medical Services (Emergency Medicine) Physician providers in Michigan
There are 361 emergency medical services (emergency medicine) physician records in Michigan.
All 361 in Michigan → Every provider in Saint Joseph → Emergency Medical Services (Emergency Medicine) Physician nationwide →
The 8 emergency medical services (emergency medicine) physician records with the nearest ZIP codes
- Paula Coghlan, M.D.Saint Joseph, MI 490851235229238
- Jonathan Krauss, D.OSaint Joseph, MI 490851376803544
- Edward Lutkus, MDSaint Joseph, MI 490851144265083
- Sheila Philpott, MDSaint Joseph, MI 490851255371415
- James Nolin, MDRichland, MI 490831164436671
- Robert Prodinger, DORichland, MI 490831952319881
- Jamie Floyd, MDVicksburg, MI 490971033145826
- Gerald Friedman, M.D.Vicksburg, MI 490971346217445
Common questions
What is John W. Walker, MD's NPI number?
John W. Walker, MD's National Provider Identifier (NPI) is 1144274788, issued on May 19, 2006. An NPI identifies a provider in billing; it is not a license.
Where is John W. Walker, MD located?
The NPPES record lists a practice address at 1234 Napier Ave, Saint Joseph, MI, 49085. Phone: (269) 983-8300. Providers update this record themselves, so call before visiting.
How can I verify John W. Walker, MD's license?
NPPES lists Michigan license number 038576, as entered by the provider. Search the Michigan Board of Medicine (LARA) at https://aca-prod.accela.com/MILARA/GeneralProperty/PropertyLookUp.aspx?isLicensee=Y&TabName=APO. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does John W. Walker, MD prescribe under Medicare Part D?
In 2024, John W. Walker, MD had 17 Medicare Part D claims; the average among emergency medical services (emergency medicine) physician prescribers was 292. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.